Inflatable sofa



FIG. 1 is a front elevational view of an inflatable sofa showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front perspective view thereof;

FIG. 5 is a front perspective view without top cover thereof; and,

FIG. 6 is a front perspective view without top cover and installed with handles. 

CLAIM The ornamental design for an inflatable sofa, as shown and described. 